UT1

A form of Universal Time — A measure of time that conforms, within a close approximation, to the mean diurnal rotation of the Earth and serves as the basis of civil timekeeping.

Similar
UTGreenwich Mean TimeGreenwich TimeGMTuniversal time
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Meanings

proper noun
  1. abbreviationinitialismInitialism of Universal Time.

    Synonyms: UT

Synonyms & antonyms

More synonyms by meaning

nounthe local time at the 0 meridian passing through Greenwich, England; it is the same everywhere

Similar
Greenwich Mean TimeGreenwich TimeGMTuniversal timeUT
Broader
time
Also see
greenwich mean timegreenwich timeuniversal timeut

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

UT1. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/UT1

MLA

“UT1.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/UT1. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “UT1,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/UT1.

Source: UT1 on Wiktionary, CC BY-SA 4.0.